1206J0630682KCT Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The 1206J0630682KCT is a 6800 pF ceramic capacitor manufactured by Knowles Syfer, rated at 63V with C0G/NP0 temperature coefficient and ±10% tolerance. This surface mount multilayer ceramic capacitor (MLCC) in 1206 package is designed for general purpose applications requiring stable capacitance across temperature ranges from -55°C to 125°C. The part is ROHS3 compliant and carries unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when the original part becomes unavailable, when design requirements demand higher voltage ratings, improved tolerance specifications, or when alternative temperature coefficients better suit application needs.

Key Parameters

Parameter	Value
Capacitance	6800 pF
Voltage Rating	63V
Tolerance	±10%
Temperature Coefficient	C0G, NP0 (1B)
Operating Temperature Range	-55°C to 125°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.126" L x 0.063" W (3.20mm x 1.60mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 1206J0630682KCT is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Capacitance value: 6800 pF (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Mounting type: Surface Mount, MLCC (exact match required)
Physical dimensions: 0.126" L x 0.063" W (exact match required)

Allowable Variation Parameters:

Voltage rating: Equal to or greater than 63V
Tolerance: ±5% or ±10%
Temperature coefficient: C0G/NP0 or X7R
Operating temperature range: Must encompass -55°C to 125°C minimum
RoHS and REACH compliance: ROHS3 compliant, REACH unaffected

Substitute parts are grouped into two categories: direct C0G/NP0 equivalents with higher voltage ratings, and X7R alternatives with enhanced voltage specifications suitable for bypass and decoupling applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Temperature Coefficient	Operating Temperature	Thickness (Max)	Product Status
1206J0630682KCT	Knowles Syfer	6800 pF	63V	±10%	C0G, NP0	-55°C ~ 125°C	0.063" (1.60mm)	Active
C1206C682J1GAC7800	KEMET	6800 pF	100V	±5%	C0G, NP0	-55°C ~ 125°C	0.035" (0.88mm)	Active
C3216C0G2A682K115AA	TDK Corporation	6800 pF	100V	±10%	C0G, NP0	-55°C ~ 125°C	0.051" (1.30mm)	Not For New Designs
C3216NP02A682J115AA	TDK Corporation	6800 pF	100V	±5%	C0G, NP0	-55°C ~ 150°C	0.051" (1.30mm)	Active
C1206C682J1RAC7800	KEMET	6800 pF	100V	±5%	X7R	-55°C ~ 125°C	0.035" (0.88mm)	Active
C1206C682K1RAC7800	KEMET	6800 pF	100V	±10%	X7R	-55°C ~ 125°C	0.035" (0.88mm)	Active
CC1206KRX7R0BB682	YAGEO	6800 pF	100V	±10%	X7R	-55°C ~ 125°C	0.037" (0.95mm)	Active
CC1206KRX7RABB682	YAGEO	6800 pF	200V	±10%	X7R	-55°C ~ 125°C	0.057" (1.45mm)	Active
KGM31BR72A682JT	KYOCERA AVX	6800 pF	100V	±5%	X7R	-55°C ~ 125°C	0.037" (0.94mm)	Active

Engineering Selection Recommendations

Direct C0G/NP0 Equivalents (Preferred for Stable Capacitance Applications):

C1206C682J1GAC7800 (KEMET) and C3216NP02A682J115AA (TDK Corporation) are direct functional equivalents with improved specifications. Both maintain C0G/NP0 temperature coefficient stability, support the full -55°C to 125°C operating range, and are ROHS3 compliant. C1206C682J1GAC7800 offers ±5% tolerance with reduced thickness (0.035"), while C3216NP02A682J115AA provides extended temperature capability to 150°C with ±5% tolerance. C3216C0G2A682K115AA (TDK Corporation) matches the original ±10% tolerance but carries "Not For New Designs" status and should be avoided for new applications.

X7R Temperature Coefficient Alternatives (For Bypass and Decoupling):

C1206C682J1RAC7800, C1206C682K1RAC7800 (KEMET), CC1206KRX7R0BB682 (YAGEO), and KGM31BR72A682JT (KYOCERA AVX) provide X7R temperature coefficient with 100V ratings. These parts are suitable for bypass and decoupling applications where capacitance variation across temperature is acceptable. All are active products with ROHS3 compliance. CC1206KRX7RABB682 (YAGEO) offers elevated 200V rating with X7R characteristics for high-voltage applications.

Selection Criteria:

For applications requiring stable capacitance: Select C0G/NP0 parts (C1206C682J1GAC7800 or C3216NP02A682J115AA)
For bypass/decoupling circuits: Select X7R parts (KEMET, YAGEO, or KYOCERA AVX options)
For high-voltage designs: Select CC1206KRX7RABB682 (200V rating)
Avoid C3216C0G2A682K115AA due to "Not For New Designs" status
All recommended parts are ROHS3 compliant and carry MSL 1 rating

Frequently Asked Questions (FAQ)

Q: Can I substitute the 1206J0630682KCT with a part rated at lower voltage?

A: No. Substitute parts must maintain equal or higher voltage ratings than the original 63V specification. Lower voltage ratings do not provide adequate safety margin and may result in component failure.

Q: What is the difference between C0G/NP0 and X7R temperature coefficients?

A: C0G/NP0 provides stable capacitance across the operating temperature range, with minimal variation. X7R allows greater capacitance variation (±15%) across temperature but is suitable for bypass and decoupling applications where exact capacitance is not critical. Selection depends on application requirements.

Q: Are all substitute parts physically compatible with the original 1206 footprint?

A: Yes. All listed substitutes use the 1206 (3216 Metric) package with 0.126" L x 0.063" W dimensions. However, thickness varies between 0.035" and 0.057". Verify PCB clearance for parts with maximum thickness of 0.057" (CC1206KRX7RABB682).

Q: Why is C3216C0G2A682K115AA marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active support for new applications. While the part may still be available, KEMET and TDK recommend using active alternatives for new designs to ensure long-term supply and support.

Q: Can I use a ±5% tolerance part as a substitute for the ±10% original?

A: Yes. ±5% tolerance is tighter and more precise than ±10%, making it a suitable upgrade. The part will meet or exceed the original specification requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and carry REACH unaffected status, matching the original part's environmental compliance.

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